Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 a3 win in 1 half-moves
2 Kf3 loss in 2 half-moves
3 Kf4 loss in 2 half-moves
4 Kf5 loss in 2 half-moves
5 Kg3 loss in 2 half-moves
6 Kg5 loss in 2 half-moves
7 Kh3 loss in 2 half-moves
8 Kh4 loss in 2 half-moves
9 Kh5 loss in 2 half-moves
10 Ra6 loss in 2 half-moves
11 Rb6 loss in 2 half-moves
12 Rd6 loss in 2 half-moves
13 Re6 loss in 2 half-moves
14 Rg5 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh6 loss in 2 half-moves
17 Rc6 loss in 1 half-moves
18 Rf6 loss in 1 half-moves
19 Rg7 loss in 1 half-moves